277 prompts matching "Evaluate a 3x3 determinant by expansion #3"
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Multi-part progression problem with an unknown first term
I am in SS 1. Quiz me with 5 short Additional Maths questions on a multi-part question whe
Sum of a series expressed with algebraic terms
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Explaining why sum to infinity only works for |r| < 1
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Distance formula with negative coordinates
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Midpoint of a line segment
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Finding an endpoint given the midpoint
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Equation of a line through two given points
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Condition for two lines to be parallel
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Condition for two lines to be perpendicular
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Finding the point of intersection of two lines
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Dividing a line segment in a given ratio
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Equation of the perpendicular bisector of a segment
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Deciding if three points are collinear
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Sketching a straight line from its equation
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Length of a line segment on a graph
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Show all working: multi-part coordinate geometry question
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Coordinate geometry proof: right-angled triangle
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Coordinate geometry proof: isosceles triangle
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Finding the equation of a circle from its centre and radius
I am in SS 1. Teach me finding the equation of a circle in the form (x-a)^2 + (y-b)^2 = r^
Simultaneous equations of a line and the coordinate axes
I am in SS 1. Teach me finding the area enclosed between a straight line and the coordinat